R Monocerotis

From Wikipedia, the free encyclopedia

R Monocerotis (R Mon) is a T Tauri variable in the constellation Monoceros. The apparent magnitude of R Mon varies between 10 and 12.

The star is located in a diffuse nebula called "Hubble's Variable Nebula" (NGC 2261). According to some astronomers, the "star" R Monocerotis is not more than a very bright concentration of gases within the nebula, and some sky catalogues and atlases do not list it as a star.

References

Astronomy Picture of the Day

v t e Stars of Monoceros

Bayer	α β γ δ ε ζ

Flamsteed	1 2 3 6 7 9 10 12 13 14 16 17 18 19 20 21 24 25 27 28 77 Ori 78 Ori

Variable	R S (15) T U RU RW SV TU UX VV VY AO AR AU AX BE BN BT BX CL CS CV CW DD FU IM PZ V372 V396 V474 V505 V569 V577 V578 V588 V589 V590 V592 V614 V638 V641 V644 V653 V682 V684 V689 V694 V695 V696 V700 V715 V721 V728 V731 V739 V743 V750 V753 V827 V838

HR	2150 2154 2179 2205 2224 2234 2237 2267 2270 2280 2292 2300 2313 2317 2321 2324 2325 2328 2333 2342 2347 2355 2367 2370 2375 2378 2381 2386 2395 2406 2409 2418 2426 2430 2440 2458 2461 2467 2469 2474 2479 2502 2508 2514 2521 2530 2543 2551 2555 2570 2572 2577 2582 2584 2589 2599 2606 2610 2613 2622 2624 2627 2636 2639 2647 2655 2656 2663 2676 2694 2731 2732 2739 2752 2765 2806 2807 2811 2833 2865 2866 2867 2876 2883 2920 2958 3014 3047 3054 3072 3150 3172 3174 3189

HD	42132 44179 44219 45090 45215 45652 46149 46150 46202 46223 46375 46966 48099 49933 50064 50138 52265 65938 66428

Gliese	Gliese 250 Gliese 282

Other	A0620-00 AFGL 961 COROT-1 COROT-4 COROT-5 COROT-7 COROT-12 COROT-13 COROT-14 COROT-18 COROT-19 COROT-20 Monoceors R2 IRS 3 NGC 2264 IRS 1 Plaskett's star Ross 614 SCR 0640-0552 UGPS J0652+0324 UGPS 0722-05

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